{"product_id":"ilonpa-front-cv-axle-shaft-assembly-2-pack-direct-fit-for-hyundai-sonata-2015-2019-kia-optima-2016-2020-2-4l","title":"ILONPA Front CV Axle Shaft Assembly 2-Pack — Direct-Fit for Hyundai Sonata (2015–2019) \u0026 Kia Optima (2016–2020) 2.4L","description":"\u003cp\u003e\u003cstrong\u003eILONPA front CV axle shaft assembly 2-pack replaces both driver and passenger front half-shafts for 2.4L naturally aspirated Hyundai Sonata (2015–2019) and Kia Optima (2016–2020) submodels.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese paired front axle shafts are engineered to restore reliable power transfer from the transmission to the front wheels, matching OE spline counts and compressed lengths for a direct-fit replacement. They are supplied as a driver-side and passenger-side set and include design features intended to resist leakage and wear so you can refit your vehicle with fewer unforeseen issues.\u003c\/p\u003e\n\n\u003ch3\u003eWill these axles fit my Sonata or Optima?\u003c\/h3\u003e\n\u003cp\u003eThese shafts are built specifically for naturally aspirated 2.4L engines and fit only the listed submodels. Verify your vehicle year and trim before ordering, and compare OE part numbers or the product photos to your original axle to confirm compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: Hyundai Sonata 2015–2019 (Limited\/SE\/SEL\/Sport submodels)\u003c\/li\u003e\n  \u003cli\u003eCompatible models: Kia Optima 2016–2020 (EX\/LX\/S\/Special Edition submodels)\u003c\/li\u003e\n  \u003cli\u003eCheck OE numbers: replaces 66-3829, 60-3829, 663829, 603829, 66-3830, 663830\u003c\/li\u003e\n  \u003cli\u003eAlso replaces: 49501C2260, NCV71001K, 49500C2210\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the exact dimensions and splines of each shaft?\u003c\/h3\u003e\n\u003cp\u003eEach half-shaft is specified with compressed length and spline counts so installers can match them to the originals. The left and right shafts differ in length but share the same spline counts and ABS interface.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLeft (driver) compressed length: 26.48 inches\u003c\/li\u003e\n  \u003cli\u003eRight (passenger) compressed length: 38.36 inches\u003c\/li\u003e\n  \u003cli\u003eOuter spline: 30 teeth; Inner spline: 27 teeth\u003c\/li\u003e\n  \u003cli\u003eABS encoder spline: 48 teeth on both shafts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow are these axles constructed for durability and leak resistance?\u003c\/h3\u003e\n\u003cp\u003eThe assembly uses reinforced boots, heavy-duty clamps, and treated internal components to improve service life and reduce common failure modes. Ball cages undergo thermal normalization and raceways are precision-ground to maintain stability under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHalf-shaft rubber protectors for easier installation and better sealing\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty clamps to minimize grease leaks at the joints\u003c\/li\u003e\n  \u003cli\u003eBall cages normalized for consistent strength and stability\u003c\/li\u003e\n  \u003cli\u003ePrecision-ground raceways and ball surfaces to extend component life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before I buy and install these axles?\u003c\/h3\u003e\n\u003cp\u003eAlways confirm fitment with your vehicle information and compare the pictured item to your existing axle. Follow the seller’s fitment prompts and review the special notes section to avoid ordering the wrong part.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEnter year, make, model and trim in the fitment checker on the product page\u003c\/li\u003e\n  \u003cli\u003eCompare OE part numbers printed in the listing with your original axle\u003c\/li\u003e\n  \u003cli\u003eInspect the provided photos to confirm ABS ring and splines match\u003c\/li\u003e\n  \u003cli\u003eConsider professional installation if you’re unfamiliar with suspension work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This ILONPA front CV axle 2-pack is intended for DIY mechanics, independent shops, and fleet maintainers who need OE-alike half-shafts for naturally aspirated 2.4L Hyundai Sonata (2015–2019) or Kia Optima (2016–2020) submodels. Choose this set when you need matching left and right axles with verified spline counts, ABS compatibility, and reinforced seals to restore driveline function without sourcing individual components.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these axles include both driver and passenger sides?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This listing is a 2-pack containing both the front left (driver) and front right (passenger) half-shafts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these on turbocharged 2.4L models?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These fit only naturally aspirated 2.4L Sonata and Optima submodels listed; verify trim and OE numbers before buying.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ILONPA","offers":[{"title":"Default Title","offer_id":48081940709534,"sku":"B0FL7KLHQX","price":229.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ilonpa-front-axle-packaging-front-view.jpg?v=1785810116","url":"https:\/\/northtrailauto.ca\/products\/ilonpa-front-cv-axle-shaft-assembly-2-pack-direct-fit-for-hyundai-sonata-2015-2019-kia-optima-2016-2020-2-4l","provider":"North Trail Auto","version":"1.0","type":"link"}